Answer:
0
Explanation:
The acceleration is 0, in short, acceleration is an increase in speed. So if he is driving with a constant velocity of 35mph, his speed is not increasing therefore no acceleration
From a formula point of view
a = V2 - V1
- - - - - - - -
t
So since it is constant velocity, your final speed an initial speed is the same
V1 = 35
V2 = 35
Therfore
a = 35 - 35
- - - - - - - -
20min
The time really dosent do anything, since 0 divided by anything is still 0
